Pchem Math to remember

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Last updated 12:42 AM on 8/16/26
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11 Terms

1
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exponent rule:

n√em =

em/n

2
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log rule solve for x:

ax = y

loga(y) = x

what power (x) do I need to take (a) to equate to (y)?

3
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ln(ab) =

bln(a)

4
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ln(0) =

-infinity

5
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complex number i =

√-1

6
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complex number c =

c = a + bi

7
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solving for the magnitude of c (complex number)

|c| = √(a2+b2)

8
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csc(θ) =

1/sinθ

9
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secθ

1/cosθ

10
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cotθ

1/tanθ

11
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sin2θ+cos2θ =

1